realjenius

# Patched bench file from master running without fix
# jruby-2810 patch contains fixes to benchmarks & code changes.
# Mine was screwy because of bench file changing when I applied patch (not apples to apples)
rj-lorimers-macbook-pro:bench rjlorimer$ ../bin/jruby --server bench_io_foreach.rb
                                    user     system      total        real
IO.foreach(file)               15.171000   0.000000  15.171000 ( 15.107000)
                                    user     system      total        real
IO.foreach(file)               13.667000   0.000000  13.667000 ( 13.667000)
                                    user     system      total        real
IO.foreach(file)               13.144000   0.000000  13.144000 ( 13.144000)

realjenius

With JRUBY-1.5.0-DEV, no patches:
rj-lorimers-macbook-pro:bench rjlorimer$ ../bin/jruby --server bench_io_foreach.rb
                                    user system total real
IO.foreach(file) 15.171000 0.000000 15.171000 ( 15.107000)
                                    user system total real
IO.foreach(file) 13.667000 0.000000 13.667000 ( 13.667000)
                                    user system total real
IO.foreach(file) 13.144000 0.000000 13.144000 ( 13.144000)
                                    user system total real
IO.foreach(file) 14.110000 0.000000 14.110000 ( 14.110000)

realjenius

import static spark.Spark.*;
import spark.*;

public class HelloWorld {

   public static void main(String[] args) {
      
      get(new Route("/hello") {
         @Override
         public Object handle(Request request, Response response) {

realjenius

InputStream in;
try {
  in = loadInput(...);
    OutputStream out;
  try {
    out = createOutput(...);
    copy(in, out);
  }
  finally {
    if(out != null) {

realjenius

try (InputStream in = loadInput(...); 
     OutputStream out = createOutput(...) ){
  copy(in, out);
}
catch (Exception e) {
  // Problem reading and writing streams.
  // Or problem opening one of them.
  // If compound error closing streams occurs, it will be recorded on this exception 
  // as a "suppressedException".
}

realjenius

begin
  File.open("myInput.txt", "r") do |in|
    File.open("myOutput.txt", "w") do |out|
      in.each_line do |line|
        out << line.upcase << "\n"
      end
    end
  end
rescue exc
  # Exception occurred reading/writing!

realjenius

try {
  File.read("myInput.txt", #{ in ->
    File.write("myOutput.txt", #{ out ->
      in.eachLine( #{ line ->
        out.write(line.toUpperCase() + "\n");
      });
    });
  });
}
catch(IOException e) {

realjenius

for(String line : in.eachLine()) {
  out.write(line.toUpperCase() + "\n");
}

realjenius

HashMap<String,String> myMap = new HashMap<String,String>();

realjenius

var myMap = new HashMap<String,String>();